The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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However, so that you can process the crystal is incredibly Superior producing strategies are required. For the reason that dawn of this crystal, working on this problem, we are now the one company on the globe that can be processed Within this crystal.
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The typical electrical power from the NIR laser however has the prospective to be enhanced to tens of watts for example 70 W [26] In the event the double-go configuration may be utilized for that Yb:YAG SCF amplifier stage. Consequently, Should the conversion performance of 31% from NIR to DUV can be still managed at this larger power affliction, the typical output ability in the DUV laser at 258 nm can be greater than 20 W, which would be described as a remarkable energy degree to the DUV laser and cause the unanticipated DUV laser machining effects. What's more, for top-ability DUV laser, the UV destruction of your nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is yet another important parameter for long-term and stable operation.
Alternatively, the beam high-quality of this increased electrical power DUV laser would come to be even worse on account of more critical thermal and nonlinear consequences. That's why, the frequency conversion procedures ought to be thoroughly made to mitigate the aforementioned results. Thus, a higher-electric power DUV laser within the FHG of one μm with a very good beam high-quality could be acquired and will be advantageous for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.
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Within the scientific and industrial applications, the beam high quality from the DUV laser is also a very important parameter. Significantly, the beam high-quality of your DUV laser radically has an effect on the laser machining benefits. The beam top quality in the DUV laser is determined by that of the elemental laser plus the crystal to the frequency conversion. Not too long ago, a high-electric power DUV laser (>10 W) at 258 nm was documented with a beam good quality of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in a far better laser machining final result compared to the previous DUV lasers with greater M2.
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Moreover, combining the strong-condition laser with other nonlinear procedure for example stimulated Raman scattering, NIR lasers can be achieved at new wavelengths with large electric power and superior beam high quality, which was examined with the evidence-of-basic principle experiment. This Raman laser plan offers a new route to the large-electricity DUV laser, In particular within the wavelength of 193 nm.
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Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as large as that of KDP. CLBO crystals is often grown from the stoichiometric soften with decrease viscosity.
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